Season 4

episodes

1. 1. Glacier Meltdown 2007-01-31
2. 2. Destructive Forces 2007-02-21
3. 3. Stone Age Apocalypse 2007-02-28
4. 4. Comets 2007-03-07
5. 5. Prehistoric Americans 2007-03-14
6. 6. Deep Space Probes 2007-03-27 Great distances and dangerous environments make robotic spacecraft the best way for scientists to explore our solar system. Acting as our eyes and ears, these probes have revealed secrets about the di...
7. 7. Dino Meteor 2007-04-12
8. 8. Planet Storm 2007-04-26
9. 9. Polar Apocalypse 2007-04-01
10. 10. Killer Lakes 2007-05-03 Since the death of 1,700 people near a lake in Africa, scientists have uncovered a terrifying series of hazards in lakes across the world.
11. 11. Ring of Fire 2007-08-02
12. 12. Alien Safari 2007-08-09 With advanced technology in their hands, astronomers and scientists may now be capable of detecting extraterrestrial life in the universe. In fact, some think the proof may be found in as little as a...
13. 13. Hyper Hurricanes 2007-10-18
14. 14. Dangers of the Deep 2007-10-25
15. 15. Solar Force 2007-10-30
16. 16. Birth of the Solar System 2007-11-06 Thanks to new developments in the technology of astronomy, scientists have been able to collect new information, giving them clues to how our solar system was formed.
17. 17. Hubble Trouble 2007-11-06